42results about How to "Rapid separation and recovery" patented technology

The invention belongs to the field of magnetic materials and relates to a magnetic core / shell / shell triple structure material with noble metal nano particles being at a double-shell interlayer and a preparation method of the material. The preparation method comprises the following steps: with Fe3O4 magnetic particles as a core, performing surface hydrolysis on the magnetic particles through hydrolyzing tetraethyl to form a layer of SiO2, then loading the noble metal nano particles with catalytic activity on the SiO2 by a coupling method, and finally coating with a ZIF-8 shell layer with regular pore channels to enable the noble metal nano particles to be positioned at the double-shell interlayer, thus obtaining the magnetic core / shell / shell triple structure material. The obtained composite material has the advantages that not only can fast separation of the material and a reaction system be realized by adding a magnetic field, but also the noble metal nano particles are positioned at the double-shell interlayer to be prevented from being lost and gathered, and simultaneously the ZIF-8 membrane layer with micropores at the outer layer also can endow the material with shape-selective and selectively-permeable functions, so that the magnetic core / shell / shell triple structure material has good potential application prospect in the fields of shape-selective adsorption and catalysis.

The invention belongs to the technical field of nano materials, and provides a hydrothermal preparation method and application of a magnetic ferroferric oxide nanochain and provides the magnetic ferroferric oxide nanochain synthesized in the presence of amine surfactants in one step. The magnetic ferroferric oxide nanochain prepared by the method has good absorption to heavy metal ions Cr (VI) and can be used for water treatment. The method provided by the invention is simple in operational step, and the magnetic ferroferric oxide nanochain prepared is stable in repeatability, good in dispersibility, larger in specific surface area and non-toxic, can exist in different acid-base environments stably, and has a good absorption effect to heavy metal ions (especially hexavalent chromium ions).

The invention discloses a polyamide amino-functionalized magnetic polymer microsphere adsorbent. The polyamide amino-functionalized magnetic polymer microsphere adsorbent is characterized in that a structural formula is as follows: PAMAMG3-Fe3O4 / (GMA-AA-EGDMA); the polyamide amino-functionalized magnetic polymer microsphere adsorbent is prepared from the following raw materials: epoxy magnetic polymer microsphere Fe3O4 / P(GMA-AA-EGDMA), ethylenediamine and methyl acrylate. A method for preparing and treating the uranium-containing wastewater comprises the following steps: (1) preparing magnetic polymer microspheres containing epoxy groups; (2) synthesizing the polyamide amino-functionalized magnetic polymer microsphere adsorbent; (3) performing an adsorption test to uranium in the uranium-containing wastewater through the magnetic polymer microsphere adsorbent. According to the polyamide amino-functionalized magnetic polymer microsphere adsorbent disclosed by the invention, the preparation route is simple and short, the operation is easy, the adsorbent has the advantages of strong adsorption capability, high adsorption capacity and quick adsorption speed, and is easily separated from an aqueous solution, can be repeatedly used and is capable of effectively adsorbing and recycling uranium ions in the aqueous solution when being used for treating the uranium-containing wastewater.

The invention provides visible-light responding type magnetic compound photocatalyst carbon microspheres-zinc ferrite and silver phosphate (CMSs-ZnFe2O4 and Ag3PO4) with core-shell structures and a preparation method and application of the visible-light responding type magnetic compound photocatalyst carbon microspheres. The CMSs are used as cores, zinc ferrite and silver phosphate are sequentially loaded on the surface of the CMS by a solvothermal method and an in-situ precipitation method, therefore, the compound photocatalyst carbon microspheres-zinc ferrite and silver phosphate with the double core-shell structures is prepared. Compared with pure Ag3PO4, the prepared compound photocatalyst has the advantages of high visible light absorption strength, good magnetic separation property, strong photo corrosion resistance and the like, is applied to treatment of 2,4-dichlorophen non-biodegradable organic wastewater, has high removal rate of 96.56% for 20mg / L of 2,4-dichlorophen solution within 150min, and still has the removal rate up to 86.21% for the 2,4-dichlorophen solution after used repeatedly for four times.

The invention belongs to the field of environmental science and engineering and discloses an aluminum-based MOFs / chitosan composite microsphere and a preparation method and application thereof. The problem is solved that the adsorption capacity is reduced after existing MOFs forming. An aluminum-based MOFs material MIL-68(Al) serves as a matrix, the composite microsphere coated with chitosan on the surface is obtained under the combined cross-linking action of sodium alginate and chitosan, the particle size of the microsphere is about 2 mm, and the microsphere is easy to separate and recycle from water. The preparation method is simple in operation process, relatively low in requirement on equipment conditions and easy to implement; the aluminum-based MOFs / chitosan composite microsphere can achieve the removal efficiency equivalent to that of powder MOFs, bisphenol A in a water body can be efficiently adsorbed and removed, and an adsorption material can be quickly separated and recycled from the water body.

The invention discloses a method for extracting chromium from chromium-containing waste liquor. According to the method, magnetite powder is taken as a magnetic crystal nucleus, a compound which mainly comprises chromium and iron is generated by reacting chromium-containing waste water with laterite-nickel ore acid leach liquor, and the compound is wrapped on the surface of the magnetic crystal nucleus through adsorption and then separated by utilizing the magnetism of the magnetic crystal nucleus. The method disclosed by the invention can be used for preparing chromium-rich iron slag by fast, efficiently and selectively extracting the chromium from the chromium-containing waste liquor by adopting low cost and sufficiently recovering the iron resources contained in the laterite-nickel ore acid leach liquor, is simple in process and convenient to operate and meets the requirement for industrialized production.

The invention relates to an amino functionalized graphene oxide immobilized non-noble metal nano catalyst and a preparation method thereof. Active ingredients of the catalyst include nickel and copper; a carrier is amino functionalized graphene oxide; the composition of the catalyst can be written as Ni-Cu / DA-GO, for short; the molar ratio of Ni to Cu is 1 to (0.2 to 0.6), and Ni and Cu form homogeneous-phase alloy particles with particle size of 10-80nm. According to the invention, by adopting ordered process design of surface grafting, coordination bonding, controlled reduction, adsorption loading and the like, firm combination is generated between the two metals and the carrier graphene oxide, overall stability of the catalyst can be ensured well, and the active ingredients are not lostor dropped easily; furthermore, since the metal particles form a scientific and reasonable homogeneous-phase structure, perfect electronic and structural cooperativity can be promoted between the metals and between the metals and the carrier, and thus the catalytic efficiency of the catalyst is effectively improved.

The invention relates to a magnetic arsenic removal solid chelating agent powder material and a preparation method thereof, wherein the particle size is 0.5-500.0 [mu]m. According to the method, SiO2particles coated with a magnetic material inside are selected as a core shell material matrix, a phosphonic acid functional group is introduced on the shell layer through surface modification, and metal ions having affinity for arsenic are complexed to prepare the novel magnetic arsenic removal solid chelating agent powder material. According to the present invention, the chelating agent has characteristics of stable structure, wide application range, strong chelation and trapping ability, can perform selective adsorbption separation and enrichment on arsenic oxide ions in water soil, soil orsolid-liquid suspension (mixing) systems, can be rapidly separated from water, soil and solid-liquid suspension systems by magnets or magnetic separation devices so as to be conveniently regenerated and recycled, has low cost, can be widely used for the large-scale automated metal ion separation in soil and other complex systems or mineral separation equipment, and can be used in the fields of environmental protection, pollution control, biological separation, mining and other industries.

The invention provides a method for preparing phytosterol ester from a nano composite magnetic material-immobilized lipase. Chitosan with a polysaccharide chain structure and rich functional groups wraps an outer surface of a magnetic nano material ferroferric oxide, and then dialdehyde cellulose with an excellent flexible structure and biocompatibility is used as macromolecule cross-linked molecules to covalently immobilize lipase activated by an ionic liquid type surfactant. The organic-inorganic magnetic nano composite material immobilized enzyme prepared by the method has characteristics of high catalytic activity, convenience in separation, good reusability and the like, and can be used for catalyzing esterification reaction of phytosterol and fatty acid to prepare phytosterol ester.The invention provides a green and efficient new method for synthesizing phytosterol ester.

The invention belongs to the technical field of material preparation, and particularly relates to a preparation method of a magnetic precious metal heterogeneous catalyst. The preparation method comprises the following steps: firstly, introducing iron, cobalt and nickel into a carrier, endowing the carrier with magnetic properties, and further loading precious metals of platinum, palladium, ruthenium, gold, silver, iridium or osmium in the magnetic carrier through a reducing reaction to prepare the magnetic precious metal heterogeneous catalyst. The magnetic precious metal heterogeneous catalyst prepared by adopting the preparation method has excellent catalysis activity, and can be rapidly recycled through magnetic separation. In addition, the magnetic property of the magnetic precious metal heterogeneous catalyst is easily adjusted, and the magnetic separation time can be adjusted and controlled; catalyst structures such as specific surface area and duct structure are adjustable; precious particles are uniformly distributed, and loading amount and particles are controllable in sizes. The preparation method provided by the invention has the advantages of simplicity in operation, low cost, and the like, and can be produced in large scale. The prepared magnetic precious metal heterogeneous catalyst can be applied to recycling of conventional and special reaction system catalysts.

The invention discloses a method for treating an organic pesticide by activating sulfate radicals based on an iron-based polyatomic coupling catalyst. The method comprises the following steps: addingthe iron-based polyatomic coupling catalyst into a water body containing the organic pesticide, adding peroxymonosulfate, and carrying out heterogeneous catalytic reaction for degrading the organic pesticide in the water body by adjusting the pH value to a neutral state. After the reaction is finished, the catalyst is rapidly recycled through magnetic separation, and the water body subjected to degradation treatment is obtained. The iron-based polyatomic coupling catalyst is a Zn-Mg-Cu-Mn-Fe polyatomic coupling oxide material prepared by substituting a part of Zn atoms in a ZnFe2O4 material byMg, Cu and Mn. The prepared iron-based polyatomic coupling catalyst has a nanocrystalline self-assembly two-dimensional sheet structure, and compared with a nanoparticle structure, separation after use is facilitated. As the bulk phase of the catalyst is rich in various transition metal atoms, the efficiency of catalytically degrading pollutants can be effectively improved under the synergistic coupling action of multiple atoms.

The invention belongs to the technical field of VOC waste gas treatment, and particularly relates to a waste kitchen grease absorption liquid for VOC waste gas treatment, and an absorption method anda separation and recovery method thereof. The waste kitchen grease absorption liquid comprises, by mass, 20-50% of waste kitchen grease, 40-75% of white oil and 4-12% of calcium chloride. The absorption method comprises the following steps: introducing air containing VOC waste gas into the waste kitchen grease absorption liquid, continuously stirring, and carrying out ultrasonic oscillation. The separation and recovery method is characterized in that the waste kitchen grease absorption liquid absorbing the VOC waste gas for more than 24 h is subjected to vacuum condensation. The waste kitchengrease absorption liquid provided by the invention is low in viscosity, good in absorption effect, high in practicability, low in cost, easy to separate and recover, recyclable, not prone to catchingfire, simple to operate, safe to use and suitable for large-scale application of VOC waste gas treatment.

The invention relates to a preparation method of 8-methoxy-2-tetralone. According to the method, 8-methoxy-2-tetralone is synthesized through a hydrolysis reaction, a reduction reaction and the like with 2-methoxybenzonitrile serving as the starting material. The method has the advantages that the raw material 2-methoxybenzonitrile is cheap and easy to obtain; reaction conditions of the technology are mild, reaction time of the technology is short, the yield is high, operation is easy and convenient, and industrial production can be easily achieved; use of expensive catalysts like rhodium is avoided in the technology, and production cost is low; adopted novel magnetic-nanoparticle-loaded lewis acid has good paramagnetism and can be rapidly separated from a reaction system and recovered just by adopting a simple applied magnetic field in separation and recovery, the process is simple, the quantity of the three wastes is small, and production cost is low.

The invention discloses a method for chelating and functionalizing magnetic polyvinyl alcohol microspheres and application of the method. The method comprises the following steps: firstly carrying out chlorination on the magnetic polyvinyl alcohol microspheres to enable hydroxyl terminals of the polyvinyl alcohol microspheres to be connected with chlorine groups, then replacing the chlorine groups by using amino groups, then carrying out carboxylation to form final chelating groups and enable the final chelating groups to have the capability of chelating heavy metal so as to obtain the magnetic polyvinyl alcohol microspheres with the absorbing and chelating functions. The method provided by the invention has the advantages that the preparation condition is mild, the cost is low, the obtained chelated and functionalized magnetic polyvinyl alcohol microspheres can be used for treating heavy-metal ions in waste water, the absorbing capacity is large, the separation of the heavy-metal ions from water can be quick and the recovery utilization rate is high.

The invention discloses a preparation method for a composite magnetic chitosan adsorption material. The preparation method comprises the steps that magnetic chitosan is dispersed in deionized water, diethylenetriamine is added, uniform shaking is carried out, then activated nitrilotriacetic acid is added, uniform mixing is carried out, then the mixture is put into a high-temperature condition forreaction, then washing is carried out with deionized water, and drying is carried out so as to obtain the composite magnetic chitosan adsorption material, wherein the mass volume ratio of the magneticchitosan to a diethylenetriamine solution is 1 g:10-120 mL, and the mass ratio of the magnetic chitosan to nitrilotriacetic acid is 1:0.1-5. The adsorption material prepared through the method has the advantages of being excellent in adsorption capacity, high in stability and easy to separate and recycle; and in addition, the method has the advantages of being simple and easy to operate, low in instrument and equipment requirement and short in preparation period. The invention also provides application of the composite magnetic chitosan adsorption material in removal of tetracycline antibiotics in water. According to the application of the composite magnetic chitosan adsorption material, the tetracycline antibiotics include but are not limited to tetracycline, chlortetracycline, oxytetracycline and doxycycline.

The invention discloses a method for preparing an algae base magnetic activated carbon material and the application of the algae base magnetic activated carbon material. According to the method, the preparing process and the magnetizing process of the activated carbon material are synchronized, a one-pot mode is adopted, drying, smashing, sieving and other preprocessing and activating processes are not needed, the steps of washing, drying and activator removing and the like are not needed after carbonization, a ferric salt solution is directly carbonized into ferroferric oxide nanometer particles in the preparing process, the ferroferric oxide nanometer particles are loaded to the surface of the activated carbon material, the operation is simple and easy to carry out, the preparing period is short, cost is low, mass production can be achieved, and due to the fact that the environmental pollutant of blue algae is utilized in the preparing process, dual environment benefits are achieved. The prepared algae base magnetic activated carbon material has large specific surface area and porosity, can efficiently adsorb methylene blue or methylene blue or bisphenol A in wastewater, has superparamagnetism and can be quickly separated from a liquid phase system after adsorption, and recycling is facilitated.

The invention discloses a machine tool scrap iron collecting device. The device is characterized by comprising a base, a handle, an air suction pump, a dust separating box, a scrap iron separating box, a suction inlet and an illumination controller, wherein the handle is arranged on the upper part of one end of the base; the air suction pump is mounted on the upper part of one end of the handle; the dust separating box is arranged on the left side of one end of the air suction pump; the scrap iron separating box is connected to the left side of one end of the dust separating box; the suction inlet is formed in the left side of one end of the scrap iron separating box; and the illumination controller is mounted on the upper part. According to the device, scrap iron is separated from dust byusing an electromagnet of a scrap iron separating box, thus achieving the effect of full absorption by separation; and meanwhile, and has strong maneuverability of a handheld device is high in maneuverability and can work at any position on a machine tool, so that the function of fully absorbing and cleaning can be achieved.

The invention discloses a preparation method and an application of a magnetic bimetallic catalyst for preparing alanine through lactic acid amination. The obtained magnetic bimetal M-Ni@C is used as acatalyst, ammonia water is used as a solvent, efficient conversion of alanine can be realized by carrying out reductive amination reaction under the action of H2, byproducts are few, the catalyst iseasy to separate and recover and is suitable for industrial production, and the problems of single reaction catalytic system, difficulty in catalyst separation and poor cyclic utilization in the priorart are solved.

The invention discloses a polyamidoamine functionalized magnetic polymer microsphere adsorbent, which is characterized in that its structural formula is: PAMAMG3-Fe3O4 / (GMA-AA-EGDMA), which is prepared from the following raw materials: epoxy Based magnetic polymer microspheres Fe3O4 / P (GMA‑AA‑EGDMA), ethylenediamine, methyl acrylate. The specific steps are: (1) Preparation of magnetic polymer microspheres containing epoxy groups; (2) Synthesis of polyamidoamine functionalized magnetic polymer microsphere adsorbent; (3) Magnetic polymer microsphere adsorbent Adsorption test for uranium in uranium-containing wastewater. The preparation route of the present invention is simple and easy to operate; it has the advantages of strong adsorption capacity, large adsorption capacity and fast adsorption speed when treating uranium-containing wastewater, and is easy to separate from aqueous solution, can be reused, and can effectively absorb and recover uranium in aqueous solution ion.

The present invention relates to a binary amorphous alloy porous microsphere type high-efficiency catalyst suitable for hydrogen storage material ammonia borane to catalyze alcohol interpretation of hydrogen and its preparation method. The chemical formula of the catalyst can be abbreviated as Co x B 1‑x , the molar ratio of Co to B is x:(1‑x), and the value of x is 0.15~0.85. The catalyst has an amorphous amorphous phase structure, and its appearance is uniformly dispersed microspheres, with a particle size of 200~ 300nm, with micropores distributed on the surface, and the specific surface area is 45~60 m 2 ·g ‑1 ; The present invention adopts a liquid-phase chemical process, which is relatively simple and does not involve high-temperature and high-pressure reactions and treatment processes. The time is short, easy to control, and the preparation process has no environmental pollution; after being treated by a liquid-phase chemical process, Co-B is amorphous. The state alloy product still maintains certain magnetic characteristics, thus facilitating the rapid separation, recovery, regeneration and reuse of the catalyst, and helping to reduce the operating cost of the catalytic reaction process.

The invention provides visible-light responding type magnetic compound photocatalyst carbon microspheres-zinc ferrite and silver phosphate (CMSs-ZnFe2O4 and Ag3PO4) with core-shell structures and a preparation method and application of the visible-light responding type magnetic compound photocatalyst carbon microspheres. The CMSs are used as cores, zinc ferrite and silver phosphate are sequentially loaded on the surface of the CMS by a solvothermal method and an in-situ precipitation method, therefore, the compound photocatalyst carbon microspheres-zinc ferrite and silver phosphate with the double core-shell structures is prepared. Compared with pure Ag3PO4, the prepared compound photocatalyst has the advantages of high visible light absorption strength, good magnetic separation property, strong photo corrosion resistance and the like, is applied to treatment of 2,4-dichlorophen non-biodegradable organic wastewater, has high removal rate of 96.56% for 20mg / L of 2,4-dichlorophen solution within 150min, and still has the removal rate up to 86.21% for the 2,4-dichlorophen solution after used repeatedly for four times.

The invention discloses a rapid separation device for protein and starch in wastewater produced during starch processing. The rapid separation device comprises a separation device body, a starch collecting device, a foaming device and a skimming device, wherein the separation device body comprises a cylinder section and an inverted cone section; the top end of the cylindrical section is open, anda feed port is formed in the side wall of the cylindrical section; the feeding port is tangentially formed relative to the inner wall of the cylindrical section; the inverted cone section is connectedto the bottom end of the cylindrical section and is provided with a liquid discharge pipe; the starch collecting device communicates with the bottom end of the inverted cone section; the foaming device is mounted in the separation device body; and the skimming device is arranged at the top of the separation device body. The invention also discloses a corresponding separation method. According tothe device and the method in the invention, protein and starch can be separated from the wastewater produced during starch processing at the same time, low-cost resource utilization of the wastewaterproduced during starch processing is achieved, and the requirement for large daily treatment capacity of the wastewater produced during starch processing can be met; and operation is simple and rapid,conditions are mild, complex equipment is not needed, and high-quality starch and protein can be obtained.

Belonging to the technical field of VOC waste gas treatment, the invention particularly relates to a soybean oil absorption liquid for VOC waste gas treatment, an absorption method and a separation and recovery method. The soybean oil absorption liquid comprises, by mass, 10-50% of soybean oil, 40-80% of white oil and 4-10% of calcium chloride. The absorption method includes: introducing air containing VOC waste gas into the soybean oil absorption liquid, conducting stirring continuously, and then carrying out ultrasonic oscillation. According to the separation and recovery method, the soybeanoil absorption liquid absorbing VOC waste gas for 24h or more is subjected to reduced pressure condensation. The soybean oil absorption liquid provided by the invention has the characteristics of lowviscosity, good absorption effect, strong practicability, low cost, easy separation and recovery, recyclability, noninflammability, simple operation and safe use, and is suitable for large-scale application to VOC waste gas treatment.

The invention relates to a method for preparing 8-methoxy-3,4-dihydro-1H-2-naphthalenone. The invention uses 2-methoxybenzonitrile as a starting material, and undergoes hydrolysis, reduction and other reactions. Synthesis of 8‑methoxy‑3,4‑dihydro‑1H‑2‑naphthalenone. It has the following advantages: 1) 2-methoxybenzonitrile benzonitrile raw material is cheap and easy to obtain, 2) the process reaction conditions are mild, the reaction time is short, the yield is high, the operation is simple, and it is easy to realize industrial production, 3) the process avoids Using expensive catalysts such as rhodium, etc., the production cost is lower. 4) The new magnetic nanoparticles used to load Lewis acid have good paramagnetic properties. For separation and recovery, they can be quickly separated and recycled from the reaction system using a simple external magnetic field. The process is simple, there is less waste, and the production cost is relatively low.

The invention discloses a method for separating cotton and micro-plastic in waste textiles and laundry wastewater and application. According to the separation method, to-be-separated substances are placed in a magnetic field with gradient to be separated and recycled. According to the method, the gradient magnetic field is adopted for separating the cotton and the micro-plastic in the waste textiles and the laundry wastewater for the first time, the magnetic force is different due to the fact that the magnetic susceptibility (or magnetization intensity) of paramagnetism or diamagnetism of the cotton and the micro-plastic in the same gradient magnetic field is different, and therefore the micro-plastic can be captured, separated and recycled. The method is simple and convenient to operate, large instruments and equipment are not needed, and two components can be separated only by putting a pipeline containing the to-be-separated substances into the gradient magnetic field. No matter paramagnetism or diamagnetism, the method provided by the invention can be used for rapidly separating and recycling cotton and polyester components in the waste textiles or the micro-plastic in the laundry wastewater.

The invention belongs to the technical field of radioactive substance analysis, and relates to a screening analysis method for radioactive surface contamination. The analysis method comprises the following steps: (1) carrying out radioactive surface contamination wiping sampling by using a water-soluble polyvinyl alcohol fiber material; (2) completely dissolving the wiping sample with a sodium hydroxide solution, adding a newly prepared hydroxide precipitate suspension, uniformly mixing, centrifuging, further performing radiochemical separation and purification on the precipitate, preparing a source, and performing total sample analysis and measurement; and (3) dissolving the wiping sample with a dimethyl sulfoxide solution, carrying out ultrasonic oscillation, filtering with a filter membrane, retaining the filter membrane, and preparing a source for thermal particle analysis and measurement. According to the screening analysis method for the radioactive surface contamination, the particles attached to the radioactive surface contamination wiping sample can be rapidly and efficiently separated and recycled and measured.

The invention belongs to the field of environmental science and engineering, discloses an aluminum-based MOFs / chitosan composite microsphere and its preparation method and application, and solves the problem of reduced adsorption capacity of the existing MOFs after molding. The present invention uses the aluminum-based MOFs material MIL‑68 (Al) as a matrix, and obtains composite microspheres coated with chitosan on the surface under the joint crosslinking action of sodium alginate and chitosan. The particle size of the microspheres is about 2mm. Easy to separate and recover from water. Moreover, the present invention has a simple operation process, low requirements on equipment conditions, and is easy to implement. The aluminum-based MOFs / chitosan composite microspheres can achieve a removal efficiency equivalent to that of powdered MOFs, and can efficiently adsorb and remove bisphenol A in water bodies and will Materials are quickly separated and recovered from water bodies.

The invention relates to a magnetic nanoparticle-loaded palladium catalyst and a preparation method thereof. The catalyst carrier adopts silica gel with a shell-core structure to wrap ferroferric oxide magnetic nanoparticles, and has a high specific surface area, excellent dispersion and mechanical properties. ; The catalyst has superparamagnetism at room temperature and is easily magnetized under the action of an external magnetic field. The magnetism disappears after the magnetic field is removed, so it is easy to achieve the purpose of rapid separation, recovery and recycling of the palladium catalyst; the surface of the nanocarrier is processed through "click chemistry" "The strategy covalently bonds the Sievert's base ligand to load the organic ligand firmly and effectively, and the longer carbon chain in the middle keeps the Sievert's base ligand away from the carrier, allowing it to better coordinate with the metal, thus The effect of homogeneous catalysis is achieved; the catalyst is suitable for the Suzuki reaction of halogenated benzene and arylboronic acid. Under mild reaction conditions, a higher yield can be obtained and the catalyst can be reused multiple times with basically unchanged activity.